package br.com.knowledge.persistence.hibernate.dao;

import java.util.List;
import java.util.Set;
import org.hibernate.LockMode;
import org.hibernate.Query;
import static org.hibernate.criterion.Example.create;
import com.opensymphony.xwork2.util.logging.Logger;
import com.opensymphony.xwork2.util.logging.LoggerFactory;

import br.com.knowledge.persistence.hibernate.entities.BcdColunas;

/**
 * A data access object (DAO) providing persistence and search support for
 * BcdColunas entities. Transaction control of the save(), update() and delete()
 * operations can directly support Spring container-managed transactions or they
 * can be augmented to handle user-managed Spring transactions. Each of these
 * methods provides additional information for how to configure it for the
 * desired type of transaction control.
 * 
 * @see br.com.knowledge.persistence.hibernate.entities.BcdColunas
 * @author MyEclipse Persistence Tools
 */

public class BcdColunasDAO extends BaseHibernateDAO {
	private static final Logger log = LoggerFactory
			.getLogger(BcdColunasDAO.class);
	// property constants
	public static final String NOME = "nome";
	public static final String INDNULO = "indnulo";
	public static final String TAMANHO = "tamanho";
	public static final String INDCHAVE = "indchave";

	public void save(BcdColunas transientInstance) {
		log.debug("saving BcdColunas instance");
		try {
			getSession().save(transientInstance);
			log.debug("save successful");
		} catch (RuntimeException re) {
			log.error("save failed", re);
			throw re;
		}
	}

	public void delete(BcdColunas persistentInstance) {
		log.debug("deleting BcdColunas instance");
		try {
			getSession().delete(persistentInstance);
			log.debug("delete successful");
		} catch (RuntimeException re) {
			log.error("delete failed", re);
			throw re;
		}
	}

	public BcdColunas findById(java.lang.Integer id) {
		log.debug("getting BcdColunas instance with id: " + id);
		try {
			BcdColunas instance = (BcdColunas) getSession()
					.get(
							"br.com.knowledge.persistence.hibernate.entities.BcdColunas",
							id);
			return instance;
		} catch (RuntimeException re) {
			log.error("get failed", re);
			throw re;
		}
	}

	public List<BcdColunas> findByExample(BcdColunas instance) {
		log.debug("finding BcdColunas instance by example");
		try {
			List<BcdColunas> results = (List<BcdColunas>) getSession()
					.createCriteria(
							"br.com.knowledge.persistence.hibernate.entities.BcdColunas")
					.add(create(instance)).list();
			log.debug("find by example successful, result size: "
					+ results.size());
			return results;
		} catch (RuntimeException re) {
			log.error("find by example failed", re);
			throw re;
		}
	}

	public List findByProperty(String propertyName, Object value) {
		log.debug("finding BcdColunas instance with property: " + propertyName
				+ ", value: " + value);
		try {
			String queryString = "from BcdColunas as model where model."
					+ propertyName + "= ?";
			Query queryObject = getSession().createQuery(queryString);
			queryObject.setParameter(0, value);
			return queryObject.list();
		} catch (RuntimeException re) {
			log.error("find by property name failed", re);
			throw re;
		}
	}

	public List<BcdColunas> findByNome(Object nome) {
		return findByProperty(NOME, nome);
	}

	public List<BcdColunas> findByIndnulo(Object indnulo) {
		return findByProperty(INDNULO, indnulo);
	}

	public List<BcdColunas> findByTamanho(Object tamanho) {
		return findByProperty(TAMANHO, tamanho);
	}

	public List<BcdColunas> findByIndchave(Object indchave) {
		return findByProperty(INDCHAVE, indchave);
	}

	public List findAll() {
		log.debug("finding all BcdColunas instances");
		try {
			String queryString = "from BcdColunas";
			Query queryObject = getSession().createQuery(queryString);
			return queryObject.list();
		} catch (RuntimeException re) {
			log.error("find all failed", re);
			throw re;
		}
	}

	public BcdColunas merge(BcdColunas detachedInstance) {
		log.debug("merging BcdColunas instance");
		try {
			BcdColunas result = (BcdColunas) getSession().merge(
					detachedInstance);
			log.debug("merge successful");
			return result;
		} catch (RuntimeException re) {
			log.error("merge failed", re);
			throw re;
		}
	}

	public void attachDirty(BcdColunas instance) {
		log.debug("attaching dirty BcdColunas instance");
		try {
			getSession().saveOrUpdate(instance);
			log.debug("attach successful");
		} catch (RuntimeException re) {
			log.error("attach failed", re);
			throw re;
		}
	}

	public void attachClean(BcdColunas instance) {
		log.debug("attaching clean BcdColunas instance");
		try {
			getSession().lock(instance, LockMode.NONE);
			log.debug("attach successful");
		} catch (RuntimeException re) {
			log.error("attach failed", re);
			throw re;
		}
	}
}